CN203476392U - Soft framework bag for coal mine gob-side entry retaining - Google Patents
Soft framework bag for coal mine gob-side entry retaining Download PDFInfo
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- CN203476392U CN203476392U CN201320598398.4U CN201320598398U CN203476392U CN 203476392 U CN203476392 U CN 203476392U CN 201320598398 U CN201320598398 U CN 201320598398U CN 203476392 U CN203476392 U CN 203476392U
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- bag
- coal mine
- screw
- fixed
- entry retaining
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Abstract
The utility model relates to the field of mineral industries, in particular to a soft framework bag for coal mine gob-side entry retaining. The soft framework bag for the coal mine gob-side entry retaining comprises a bag body, and the bag body is provided with a screw rod, a grouting hole, multiple fixing bands, multiple hanging parts, multiple fixing screws, multiple fixing baffles and multiple screw rod holes. The fixing bands and the hanging parts are all fixedly connected to the bag body, the fixing baffles are all provided with through holes, the two sides of each screw rod hole are respectively provides with a fixing baffle, the two sides, far away from the screw rod holes, of the corresponding two fixing baffles are respectively provided with a fixing screw, and the screw rod penetrates through the fixing screws, the fixing baffles and the screw holes simultaneously and is meshed with the fixing screws to enable the bag body and the screw rod to be fixedly connected. The grouting hole is formed in the peripheral surface of the bag body. The soft framework bag for the coal mine gob-side entry retaining is beneficial to the tightness of padding among multiple adjacent bag bodies, and the safety factor of the filled bag bodies after being piled up can be further improved.
Description
Technical field
The utility model relates to mining industry field, in particular to soft mould bag for coal mine gob-side entry retaining.
Background technology
After coal mining, for preventing subsidence, underground filling mainly adopted hydraulic filling in the past, by the shortcoming of hydraulic filling, be that charges do not connect top, speed is slow simultaneously, and energy consumption is large, operation is also inconvenient, cause under down-hole coal column, square, under railway Xia, highway, the coal under building can not exploit.Along with state coal resource exploitation dynamics continues to increase, resource is fewer and feweri, there is a lot of collieries resource to approach exhausted, adopt at present the new placement method of baffle plate and plastics combination, new fill method can recovery well under under coal column, square, under railway Xia, highway, the coal under building, extend the colliery length of service, increased output, reduced cost.New placement method has that filling velocity is fast, filling real, do not subside, and the advantage of energy conservation.
But new filling method mainly uses baffle plate, plastics in conjunction with filling, inconvenient operation, often leaks material, and what make casting resin spray is everywhere, solidify rear very bad cleaning, even block whole production face, it is very difficult to deal with, impact exploitation output, has also increased labour intensity, has improved cost of production.
Utility model content
The purpose of this utility model is to provide soft mould bag for a kind of coal mine gob-side entry retaining, to solve the above problems.
Soft mould bag for the coal mine gob-side entry retaining providing in embodiment of the present utility model, comprising: bag; Described bag is provided with screw mandrel, injected hole, a plurality of fixed band, a plurality of suspension part, a plurality of fixed screw, a plurality of fixed dam and a plurality of screw hole;
A plurality of described fixed bands are all fixedly connected with described bag with a plurality of described suspension parts;
On a plurality of described fixed dams, be equipped with through hole;
The both sides of a described screw hole are respectively equipped with a described fixed dam, two described fixed dams are respectively equipped with a described fixed screw away from the both sides of described screw hole, described screw mandrel, successively through described fixed screw, described fixed dam and described screw hole, is fixedly connected with described bag with described fixed screw engagement with described screw mandrel;
Described injected hole is located on the side face of described bag.
Soft mould bag for the coal mine gob-side entry retaining that the utility model provides, on bag, be provided with a plurality of fixed bands, fixed band is tied up on the individual prop in tunnel, and the suspension part being simultaneously located on bag is suspended on bag in tunnel, by fixed band and suspension part, bag is fixed in tunnel.
In the both sides of a screw hole, be respectively equipped with a fixed dam simultaneously, two fixed dams are respectively equipped with a fixed screw away from the both sides of screw hole, screw mandrel is simultaneously through fixed screw, fixed dam and screw hole, with fixed screw engagement, bag is fixedly connected with screw mandrel, now by screw mandrel, fixed dam and fixed screw, the shape of bag is fixed.
By injected hole, slurry is packed in described bag.Give while injecting slurry in bag, fixing because bag hangs, and the fixed band being arranged on bag ties up on the individual prop in tunnel, and bag is completely fixed, and the slurry being packed in bag can be tamped in bag.And because bag is fixedly connected with screw mandrel, when using slurry to fill bag, bag is not yielding, is conducive to the filling compactness between a plurality of adjacent bags, and then the safety factor of the bag that can improve filling after piling up.
Accompanying drawing explanation
The structural representation of soft mould bag for the coal mine gob-side entry retaining that Fig. 1 provides for the utility model;
1. bag, 2. fixed band, 3. suspension part, 4. screw hole, 5. injected hole.
The specific embodiment
Below by specific embodiment, also by reference to the accompanying drawings the utility model is described in further detail.
Embodiment 1: as shown in Figure 1,
Soft mould bag for coal mine gob-side entry retaining, comprising: bag 1; Described bag 1 is provided with screw mandrel, injected hole 5, a plurality of fixed band 2, a plurality of suspension part 3, a plurality of fixed screw, a plurality of fixed dam and a plurality of screw hole 4;
A plurality of described fixed bands 2 are all fixedly connected with described bag 1 with a plurality of described suspension parts 3;
On a plurality of described fixed dams, be equipped with through hole;
The both sides of a described screw hole 4 are respectively equipped with a described fixed dam, two described fixed dams are respectively equipped with a described fixed screw away from the both sides of described screw hole 4, described screw mandrel, successively through described fixed screw, described fixed dam and described screw hole 4, is fixedly connected with described bag 1 with described fixed screw engagement with described screw mandrel;
Described injected hole 5 is located on the side face of described bag 1.
Soft mould bag for the coal mine gob-side entry retaining that the utility model provides, on bag 1, be provided with a plurality of fixed bands 2, fixed band 2 is tied up on the individual prop in tunnel, and the suspension part 3 being simultaneously located on bag 1 is suspended on bag 1 in tunnel, by fixed band 2 and suspension part 3, bag 1 is fixed in tunnel.
In the both sides of a screw hole 4, be respectively equipped with a fixed dam simultaneously, two fixed dams are respectively equipped with a fixed screw away from the both sides of screw hole 4, screw mandrel is simultaneously through fixed screw, fixed dam and screw hole 4, with fixed screw engagement, bag 1 is fixedly connected with screw mandrel, now by screw mandrel, fixed dam and fixed screw, the shape of bag 1 is fixed.
By injected hole 5, slurry is packed in described bag 1.Give while injecting slurry in bag 1, fixing because bag 1 hangs, and the fixed band 2 being arranged on bag 1 ties up on the individual prop in tunnel, and bag 1 is completely fixed, and the slurry being packed in bag 1 can be in the interior compacting of bag 1.And because bag 1 is fixedly connected with screw mandrel, when using slurry to fill bag 1, bag 1 is not yielding, is conducive to the filling compactness between a plurality of adjacent bags 1, and then the safety factor of the bag 1 that can improve filling after piling up.
Embodiment 2:
Based on above-described embodiment, the utility model has been done further improvement:
For convenient, arrange, suspension part 3 can be set for cylinder-like structure, the sidewall of suspension part 3 is fixedly connected with bag 1, and the face at the sidewall place of the axis of suspension part 3 and bag 1 is parallel.During suspension, the support being located in tunnel directly can hang fixing by bag 1 through suspension part 3 cylindraceous.
In order to facilitate the filling in larger space, bag 1 can be set to regular hexahedron.A plurality of regular hexahedrons are close to filling and can be made the gap between filler less.
For the bag of regular hexahedron 1 being strutted completely, can on four side faces of bag 1, screw hole 4 be all set respectively, screw mandrel, through the screw hole 4 of diagonal positions, uses two screw mandrels bag 1 can be strutted completely.
In order to facilitate slip casting, and the upper surface of the bag 1 of regular hexahedron is close to the end face in tunnel, and its soffit, by ground, so preferably, can be located at injected hole 5 on the side face of bag 1.
For the bag of regular hexahedron 1 being fixed in tunnel reposefully, a plurality of fixed bands 2 can be located at respectively on four side faces of bag 1.
For the bag of regular hexahedron 1 being suspended in tunnel reposefully, a plurality of suspension parts 3 can be located at respectively on four side faces of bag 1.
In order to meet the tunnel of different structure, fill requirement, bag 1 can be set for cylindric.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. soft mould bag for coal mine gob-side entry retaining, is characterized in that, comprising: bag; Described bag is provided with screw mandrel, injected hole, a plurality of fixed band, a plurality of suspension part, a plurality of fixed screw, a plurality of fixed dam and a plurality of screw hole;
A plurality of described fixed bands are all fixedly connected with described bag with a plurality of described suspension parts;
On a plurality of described fixed dams, be equipped with through hole;
The both sides of a described screw hole are respectively equipped with a described fixed dam, two described fixed dams are respectively equipped with a described fixed screw away from the both sides of described screw hole, described screw mandrel, successively through described fixed screw, described fixed dam and described screw hole, is fixedly connected with described bag with described fixed screw engagement with described screw mandrel;
Described injected hole is located on the side face of described bag.
2. soft mould bag for coal mine gob-side entry retaining according to claim 1, is characterized in that,
Described suspension part is cylinder-like structure, and the sidewall of described suspension part is fixedly connected with described bag, and the face at the sidewall place of the axis of described suspension part and described bag is parallel.
3. soft mould bag for coal mine gob-side entry retaining according to claim 2, is characterized in that,
Described bag is regular hexahedron.
4. soft mould bag for coal mine gob-side entry retaining according to claim 3, is characterized in that,
On four side faces of described bag, be respectively equipped with described screw hole.
5. soft mould bag for coal mine gob-side entry retaining according to claim 3, is characterized in that,
Described injected hole is located on the side face of described bag.
6. soft mould bag for coal mine gob-side entry retaining according to claim 3, is characterized in that,
A plurality of described fixed bands are located at respectively on four side faces of described bag.
7. soft mould bag for coal mine gob-side entry retaining according to claim 3, is characterized in that,
A plurality of described suspension parts are located at respectively on four side faces of described bag.
8. soft mould bag for coal mine gob-side entry retaining according to claim 1, is characterized in that,
Described bag is cylindric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320598398.4U CN203476392U (en) | 2013-09-26 | 2013-09-26 | Soft framework bag for coal mine gob-side entry retaining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320598398.4U CN203476392U (en) | 2013-09-26 | 2013-09-26 | Soft framework bag for coal mine gob-side entry retaining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203476392U true CN203476392U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320598398.4U Expired - Lifetime CN203476392U (en) | 2013-09-26 | 2013-09-26 | Soft framework bag for coal mine gob-side entry retaining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203476392U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736046A (en) * | 2016-02-25 | 2016-07-06 | 北京瑞诺安科新能源技术有限公司 | Coal mine underground sealed wall body and construction method thereof |
-
2013
- 2013-09-26 CN CN201320598398.4U patent/CN203476392U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736046A (en) * | 2016-02-25 | 2016-07-06 | 北京瑞诺安科新能源技术有限公司 | Coal mine underground sealed wall body and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180806 Address after: 056200 people's East Street, Fengfeng Town, Fengfeng mining area, Handan, Hebei. Patentee after: Handan Fengfeng Zhi Xiang Machinery Manufacturing Co., Ltd. Address before: 056000 -2A-501, 891 Cemetery Road, Hanshan District, Handan, Hebei Patentee before: Xu Gang |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190712 Address after: 047199 Jiazhang Village, Jiazhang Town, Changzhi County, Shanxi Province Patentee after: Shanxi Hongrong Technology Co., Ltd. Address before: 056200 People's East Street, Fengfeng Town, Fengfeng Mining Area, Handan City, Hebei Province Patentee before: Handan Fengfeng Zhi Xiang Machinery Manufacturing Co., Ltd. |
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| TR01 | Transfer of patent right |